3°° 



BOTANICAL GAZETTE 



[\PRIL 



5 



P 



of Cucurbita Pepo. 



Perisperm {-fig. jo, N). — Five or six layers of parenchyma, with 

 outer epidermis and cuticle, have the same structure as the correspond- 

 ing layer of other-species. The most characteritsic feature is the 

 transversely elongated epidermal cells. 



Endosperm (fig 



■£).— This consists of one layer of thick 



walled cells containing protein granules. 



(fig 



No 



ECHINOCYSTIS LOBATA TORR. & GR. 



.CCHINOCYSTIS LUBA1A 1UKK. tv vjjs.. 



This plant, Echinocystis lobata Torr. & Gr. (Sicyos lobaius Michx. 



' 



Momordica echinata Muhl.), is one of the two Cucurbitaceae indigi 

 nous to New England. It has no value as a food, but is quite exten- 

 sivelv cultivated for arbors. 



31 



w 

 33 



34 



Fig. 31. Echinocystis lobata Torr. & Gr 

 lobata Torr. & Gr. 

 Gr. Seed. Xi.- 



Eeiiinocysti 5 



Fruit. XL— **• i2 - . , Torr & 

 Fruit in cross- section. X i.-Fig. 33- Echinocystis lob 

 Fig. 34.— Echinocystis lobata Torr. & Gr. Seed. X«- 



fruit (fig 



ercd 



x ac uvai iruit (fig. 3 i) is 5 cm long, light green in color, a , rlv 

 with soft spines i 2 mm in length. At maturity it burst, ir o^ 

 at the top, showing the fruit-flesh separated into an oUter a ^ l%x0 

 tissue consisting of a fibrous network. This inner part torn . -^ 

 large oblong cells, each divided at the base into two one-> 



